Left 4 Dead 2

So I discovered the joys of modding L4D2 recently. I installed a couple of mods at once when i realised my crosshair became orange. i tried to figure out wich mod did this so i disabled all of them to test them. Turns out, even with all my mods turned off my crosshair was still orange. i Checked my folder to see if it was an add-on that wasnt listed. its not.

I have the same problem and I don't know why I can't acces the console I know there is an option to access the developper console but when I'm in the game and I press ''/'' Nothing happens ! ! How did you fixed your problem ? ? Thanks a lot ! !